Portable storage unit for quick and temporary attachment to the edge of a horizontal surface



FIG. 1 is a top, front, and left side perspective view of a portablestorage unit for quick and temporary attachment to the edge of ahorizontal surface showing our new design;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a front elevational view thereof, the fragmentary broken-linedisclosure of a horozontal surface being for illustrative purposes onlyand forming no part of the claimed design;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

The ornamental design for a portable storage unit for quick andtemporary attachment to the edge of a horizontal surface, as shown anddescribed.